<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->


<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<!--
  This file is a part of the open-eBackup project.
  This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
  If a copy of the MPL was not distributed with this file, You can obtain one at
  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
  THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
  EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
  MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
  -->

<!DOCTYPE html
  PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en-us" xml:lang="en-us">
<head>
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
   
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="DC.Type" content="topic">
<meta name="DC.Title" content="Step 5: Creating a Backup SLA">
<meta name="product" content="">
<meta name="DC.Relation" scheme="URI" content="en-us_topic_0000001839267897.html">
<meta name="prodname" content="">
<meta name="version" content="">
<meta name="brand" content="30-OceanProtect Appliance 1.5.0-1.6.0 Help Center">
<meta name="DC.Publisher" content="20240608">
<meta name="DC.Format" content="XHTML">
<meta name="DC.Identifier" content="EN-US_TOPIC_0000001792388876">
<meta name="DC.Language" content="en-us">
<link rel="stylesheet" type="text/css" href="public_sys-resources/commonltr.css">
<title>Step 5: Creating a Backup SLA</title>
</head>
<body style="clear:both; padding-left:10px; padding-top:5px; padding-right:5px; padding-bottom:5px"><a name="EN-US_TOPIC_0000001792388876"></a><a name="EN-US_TOPIC_0000001792388876"></a>

<h1 class="topictitle1">Step 5: Creating a Backup SLA</h1>
<div><p>The system provides three preset SLAs: Gold, Silver, and Bronze. If the preset SLAs meet your backup requirements, skip this section. You can also customize SLAs based on your requirements to protect resources. </p>
<div class="section"><h4 class="sectiontitle">Context</h4><p>For details about the preset SLA and customized SLA, see <a href="en-us_topic_0000001792388856.html">About SLA</a>.</p>
</div>
<div class="section"><h4 class="sectiontitle">Procedure</h4><ol><li><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839142377_uicontrol8111821122820"><b><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839142377_text71111921162814"><strong>Protection</strong></span> &gt; Protection Policies &gt; SLAs</b></span>.</span></li><li><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_uicontrol12915192943311"><b><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text39091229123315"><strong>Create</strong></span></b></span>.</span></li><li><span>Enter an SLA name. The default name is <strong id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_b694314191141">SLA_</strong><em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1829310311138">Current timestamp</em>.</span></li><li><span>Select an application type for the SLA to be created.</span><p><ol type="a" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ol71011061385"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li874192611325">Click <span class="uicontrol" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_uicontrol1117412318280"><b><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text131741534281"><strong>Applications</strong></span></b></span> and select the application for the SLA to be created.<ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul157501053341"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li3750135143412"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text10801323154310"><strong>General SLA</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p144377559348">A general SLA can be applied to resources except filesets, SQL Server, PostgreSQL, Kingbase, Redis, ClickHouse, MongoDB, NAS shares, NAS file systems, Huawei Cloud Stack GaussDB, TDSQL, Kubernetes CSI, TiDB, volumes, common shares, GaussDB T single-node systems, and object storage.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li1512516103413"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text1431211194314"><strong>Specific to application</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p1889316245358">Select an application type for the SLA to be created. This section uses <span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text52802054182812"><strong>Specific to application</strong></span> as an example.</p>
</li></ul>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li7586156123316">Click <span class="uicontrol" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_uicontrol145664914545"><b>OK</b></span>.</li></ol>
</p></li><li><span>Configure a backup policy.</span><p><ol type="a"><li>Click <span class="uicontrol"><b><span><span><strong>Backup Policy</strong></span></span></b></span>.</li><li>Set basic parameters for the backup policy.<p><a href="#EN-US_TOPIC_0000001792388876__table2663151516335">Table 1</a> describes the related parameters.</p>
<div class="p">Set the backup interval, copy retention period, and backup time window based on service requirements. The recommended settings are as follows:<ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001839143189_ul188491594283"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001142022930_li14385102192911">The backup interval must be longer than the backup duration.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001839143189_li19397172762917">The retention period of a full backup copy must be longer than that of an incremental backup (or forever incremental (synthetic full) backup) copy.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_li249619119012">The retention period must be longer than the backup interval.</li></ul>
<div class="note" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001839143189_note71621858195515"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001839143189_ul192116591633"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001839143189_li921115591430">At least one backup policy must be created. To add another backup policy, click <span><img id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001839143189_image178791955235" src="en-us_image_0000001914096218.png"></span> on the right of the page.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839188313_en-us_topic_0000001839143189_li621119590319">Only one backup policy can be added for log backup. A maximum of four backup policies can be added for other backup types.</li></ul>
</div></div>
</div>

<div class="tablenoborder"><a name="EN-US_TOPIC_0000001792388876__table2663151516335"></a><a name="table2663151516335"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001792388876__table2663151516335" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Basic parameters of a backup policy</caption><colgroup><col style="width:11.899999999999999%"><col style="width:15.25%"><col style="width:72.85000000000001%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" colspan="2" valign="top" id="mcps1.3.3.2.5.2.1.2.3.2.4.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" id="mcps1.3.3.2.5.2.1.2.3.2.4.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" rowspan="3" valign="top" width="11.899999999999999%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Full backup</strong></span></p>
<p></p>
<p></p>
<p></p>
</td>
<td class="cellrowborder" valign="top" width="15.25%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Name</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="72.85000000000001%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.2 "><p>Set the backup policy name.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p>-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><div class="p">Configure the execution time, backup interval, copy retention period, and backup time window for the full backup.<ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul06281446133611"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li5628184619364">Configure the backup interval and copy retention period for full backup.<ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul3912541183319"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li1491311419338"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text881714512382"><strong>By Year</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p7913141173316">Configure the job to be executed once every year on <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i8695125961819">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i8695205941811">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i269613594180">xx</em> days, weeks, months, years, or permanently.</p>
<p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p52204181864">If the date does not exist in the year, no copy is generated.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li18913134153311"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text9120524389"><strong>By Month</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p19131141133318">Configure the job to be executed on <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i3137640154710">xx</em> (day) (multiple days can be selected) or the last day of each month. Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i20137114020478">xx</em> days, weeks, months, years, or permanently.</p>
<p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p131866516465">If the backup job is set to be performed on the <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i638819152110">xx</em>th day of each month, no copy is generated when the date does not exist in the current month.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li79137410332"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text107501579380"><strong>By Week</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p091313410338">Configure the job to be executed every Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday (you can select multiple options). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i10839155815217">xx</em> days, weeks, months, years, or permanently.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li18498191724615"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text199032391683"><strong>By Day</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p46219385469">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i563934782212">xx</em> days starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i11639154719227">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i14640194713225">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i176406479225">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1164014713226">xx</em> days, weeks, months, years, or permanently.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li426962116468"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text14231841203315"><strong>By Hour</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p6350614134914">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i3449105714464">xx</em> hours starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1644985754613">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1044916576462">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i15449257134618">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i64501457104615">xx</em> days, weeks, months, years, or permanently.</p>
</li></ul>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li1881682412376">Set the time period for performing full backup. The full backup job will not be scheduled beyond the time range.<div class="note" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_note3335182113214"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul64461851101420"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li037445621410">If the end time is earlier than or the same as the start time, the end time is actually the end time of the next day.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li4446145117142">If the backup job is not completed within the specified time window, the system does not stop the backup job, but reports an event.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li4684315367">Once the retention period expires, the system automatically deletes the expired copies.</li></ul>
</div></div>
</li></ul>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Keep Snapshot</strong></span></p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p id="EN-US_TOPIC_0000001792388876__p1661410377556">Whether to retain the latest snapshots created for HBase tables during backup.</p>
<p id="EN-US_TOPIC_0000001792388876__p126147374550">You can use the retained snapshots in the big data cluster to restore HBase tables in subsequent restoration jobs. In this way, you do not need to transfer data from the <span id="EN-US_TOPIC_0000001792388876__text12884612166">OceanProtect</span> to the big data cluster, improving restoration efficiency.</p>
</td>
</tr>
<tr><td class="cellrowborder" rowspan="3" valign="top" width="11.899999999999999%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Forever Incremental (Synthetic Full) Backup</strong></span></p>
<p></p>
<p></p>
<p></p>
</td>
<td class="cellrowborder" valign="top" width="15.25%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Name</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="72.85000000000001%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.2 "><p>Set the backup policy name.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p>-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><div class="p">Configure the first execution time, backup interval, copy retention period, and backup time window for incremental backup.<ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul167919791414"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li1079119781413">Configure the backup interval and copy retention period for incremental backup.<ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul1679113751412"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li177910751413"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text9791187121410"><strong>By Year</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p7791117131413">Configure the job to be executed once every year on <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i17543191313474">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i15543191324714">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i2054391324718">xx</em> days, weeks, months, years, or permanently.</p>
<p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p62586191379">If the date does not exist in the year, no copy is generated.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li1279112715144"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text979110717147"><strong>By Month</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p179113721413">Configure the job to be executed on <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1459956622">xx</em> (day) (multiple days can be selected) or the last day of each month. Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1780490668">xx</em> days, weeks, months, years, or permanently.</p>
<p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p125877114419">If the backup job is set to be performed on the <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i18258105512473">xx</em>th day of each month, no copy is generated when the date does not exist in the current month.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li879112716144"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text27913720144"><strong>By Week</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p1079111741416">Configure the job to be executed every Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday (you can select multiple options). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i5259123154812">xx</em> days, weeks, months, years, or permanently.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li251355615915"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text0935195916812"><strong>By Day</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p175137561491">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1716654814490">xx</em> days starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i19166114815493">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i416610485494">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1316764824912">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1116704854913">xx</em> days, weeks, months, years, or permanently.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li17513125616918"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text11653155316339"><strong>By Hour</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p451312561795">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i13179161374716">xx</em> hours starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i18179151310474">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i8179113154714">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1417918132471">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i117911316470">xx</em> days, weeks, months, years, or permanently.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li108498361016"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text4119140183416"><strong>By Minute</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p178491339103">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i103229137503">xx</em> minutes starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i832217134501">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i11323131375017">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i63231113195016">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1932361355019">xx</em> days, weeks, months, years, or permanently.</p>
</li></ul>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li1679107171411">Set the time period for performing incremental backup. The incremental backup job will not be scheduled beyond the time range.<div class="note" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_note77917711419"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_en-us_topic_0000001839143189_ul64461851101420"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_en-us_topic_0000001839143189_li037445621410">If the end time is earlier than or the same as the start time, the end time is actually the end time of the next day.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_en-us_topic_0000001839143189_li4446145117142">If the backup job is not completed within the specified time window, the system does not stop the backup job, but reports an event.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_en-us_topic_0000001839143189_li4684315367">Once the retention period expires, the system automatically deletes the expired copies.</li></ul>
</div></div>
</li></ul>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Keep Snapshot</strong></span></p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p>Whether to retain the latest snapshots created for HBase tables during backup.</p>
<p>You can use the retained snapshots in the big data cluster to restore HBase tables in subsequent restoration jobs. In this way, you do not need to transfer data from the <span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001792388876_text12884612166">OceanProtect</span> to the big data cluster, improving restoration efficiency.</p>
</td>
</tr>
<tr><td class="cellrowborder" rowspan="2" valign="top" width="11.899999999999999%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Log Backup</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="15.25%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p><span><strong>Name</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="72.85000000000001%" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.2 "><p>Set the backup policy name.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p>-</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.5.2.1.2.3.2.4.1.1 "><p>Click <span class="uicontrol"><b><span><span><strong>Add</strong></span></span></b></span> on the right of the page and select <span class="uicontrol"><b><span><span><strong>Log Backup</strong></span></span></b></span>. After this parameter is configured, the <span>OceanProtect</span> backs up WALs of the HBase cluster. You can use copies generated in the log backup to restore data to a point in time.</p>
<ul><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li2514102132014"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text10232154917911"><strong>By Day</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p185142219203">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i9923111505">xx</em> days starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i3929117508">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i39281145014">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i17925115504">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i19210125013">xx</em> days, weeks, months, years, or permanently.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li11514525202"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text9177753173410"><strong>By Hour</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p18514722206">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i201851113124716">xx</em> hours starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i318581364714">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1218513134472">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i161851213154716">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i12185201384715">xx</em> days, weeks, months, years, or permanently.</p>
</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li15514102132011"><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text1930617408347"><strong>By Minute</strong></span><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_p20514424208">Configure the job to be executed every <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i2016392712501">xx</em> minutes starting from <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i10163327115010">xx</em> (year) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i6163112775015">xx</em> (month) <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i1163727175013">xx</em> (day). Configure copies to be retained for <em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i616312277507">xx</em> days, weeks, months, years, or permanently.</p>
</li></ul>
<div class="note"><span class="notetitle"> NOTE: </span><div class="notebody"><ul><li>The retention period of the log backup copy is the same as that of the latest full backup copy. After the full backup copy is deleted, all subsequent log backup copies are also deleted.</li><li>Log backup policies cannot be configured separately.</li></ul>
</div></div>
</td>
</tr>
</tbody>
</table>
</div>
</li></ol><ol type="a" start="3"><li>Set advanced parameters for the backup policy.<div class="p"><a href="#EN-US_TOPIC_0000001792388876__en-us_topic_0000001142022930_table1970194542811">Table 2</a> describes the related parameters.
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001792388876__en-us_topic_0000001142022930_table1970194542811"></a><a name="en-us_topic_0000001142022930_table1970194542811"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001142022930_table1970194542811" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Advanced parameters of a backup policy</caption><colgroup><col style="width:30.020000000000003%"><col style="width:69.98%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="30.020000000000003%" id="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="69.98%" id="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="30.020000000000003%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.1 "><p><strong id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_b203081655125718">Specify Target Location</strong></p>
</td>
<td class="cellrowborder" valign="top" width="69.98%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.2 "><div class="p">If you have deployed the cluster HA feature, specify the target storage location for the backup copy. If no target location is specified, the system automatically selects a backup target storage unit through intelligent balancing.<ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul3832679403"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li178323718400">Backup storage unit: corresponds to a backup cluster node. After a backup storage unit is selected, copies are stored to the storage unit. If the capacity of the storage unit is insufficient, the backup job will fail.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li31700914016">Backup storage unit group: is a collection of backup storage units. After a backup storage unit group is selected, the system automatically selects a target backup storage unit based on the storage policy of the storage unit group.</li></ul>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="30.020000000000003%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.1 "><p><span><strong>Rate Limiting Policies</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="69.98%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.2 "><p>Average maximum amount of data that can be transmitted per second in a backup job. </p>
<p>Select the rate limiting policy created in <a href="en-us_topic_0000001792548552.html">Step 3: Creating a Rate Limiting Policy</a>.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="30.020000000000003%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.1 "><p><span><strong>Source Deduplication</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="69.98%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.2 "><div class="p">After this function is enabled, the amount of data to be transmitted can be reduced, but more client resources will be occupied.<div class="note" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_note8885112682911"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul5885426132914"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li10885172616299">An agent host can only be linked with one storage unit. To enable source deduplication, select <span class="parmvalue" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_parmvalue13417617181719"><b>Backup Storage Unit</b></span> for <span class="parmname" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_parmname164341313131719"><b>Specify Target Location</b></span>. Otherwise, a storage unit that is not linked with the agent host may be selected through intelligent balancing. As a result, source deduplication fails to be enabled. If different protected objects are associated with different SLAs, where different backup storage units are specified, select different agent hosts for the protected objects. Otherwise, source deduplication of some backup jobs will fail to be enabled.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li9885182662911">If an agent host has been linked with a storage unit but is not performing a backup job with source deduplication, you can run the <strong id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_b1734071915190">dataturbo delete storage_object storage_name=</strong><em id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_i18291255102216">?</em> command on the agent host to delete the source deduplication link with the storage unit. The value of <strong id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_b9927131312572">storage_name</strong> in the command can be queried by running the <strong id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_b11782052162315">dataturbo show storage_object</strong> command. This way, when the agent host performs a backup job with source deduplication, the link between the agent host and a new storage unit can be established.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li11885142615297">Check whether the host OS supports source deduplication by referring to <a href="https://info.support.huawei.com/storage/comp/#/oceanprotect" target="_blank" rel="noopener noreferrer">Compatibility Query</a>. If the host OS does not support source deduplication, source deduplication does not take effect.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li7883549153219">If a built-in agent is used for backup, source deduplication, after being configured, does not take effect.</li></ul>
</div></div>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="30.020000000000003%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.1 "><div class="p"><strong id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_b693713423122">Job Timeout Alarm</strong><div class="note" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_note379352823112"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_en-us_topic_0000001839143213_p8320153562113">This parameter is available only in 1.6.0 and later versions.</p>
</div></div>
</div>
</td>
<td class="cellrowborder" valign="top" width="69.98%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.2 "><p>After this function is enabled, an alarm is sent if the job execution time exceeds the time window. The alarm needs to be manually cleared.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="30.020000000000003%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.1 "><p><span id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_text15514111782"><strong>Job Failure Alarm</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="69.98%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.2 "><p>After this function is enabled, an alarm is automatically sent if a job fails and is automatically cleared after successful execution.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="30.020000000000003%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.1 "><p><span><strong>Automatic Retry</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="69.98%" headers="mcps1.3.3.2.5.2.2.1.1.2.2.3.1.2 "><p>After this function is enabled, the system automatically retries if a periodic backup job fails.</p>
<div class="p">The number of retries ranges from 1 to 5, and the wait time ranges from 1 to 30 minutes. For example, if the number of retries is set to 3 and the wait time is set to 5 minutes, the system retries for a total of three times at an interval of 5 minutes.<div class="note" id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_note139701345152818"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_ul264071314279"><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li1864001332715">During automatic retry, the system creates a backup job. The backup job is executed only when it is within the preset time window.</li><li id="EN-US_TOPIC_0000001792388876__en-us_topic_0000001839143189_li116401113172713">This function takes effect only during periodic backup. Automatic retry is not supported if a backup job fails to be manually initiated.</li></ul>
</div></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</li><li>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</li></ol>
</p></li><li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000001839267897.html">Backing Up HBase Backup Sets</a></div>
</div>
</div>

<div class="hrcopyright"><hr size="2"></div><div class="hwcopyright">Copyright &copy; Huawei Technologies Co., Ltd.</div></body>
</html>